CA3238348A1 - Materiau actif de cathode, son procede de fabrication et cathode le comprenant - Google Patents

Materiau actif de cathode, son procede de fabrication et cathode le comprenant Download PDF

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Publication number
CA3238348A1
CA3238348A1 CA3238348A CA3238348A CA3238348A1 CA 3238348 A1 CA3238348 A1 CA 3238348A1 CA 3238348 A CA3238348 A CA 3238348A CA 3238348 A CA3238348 A CA 3238348A CA 3238348 A1 CA3238348 A1 CA 3238348A1
Authority
CA
Canada
Prior art keywords
positive electrode
active material
electrode active
particle
lithium
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CA3238348A
Other languages
English (en)
Inventor
Won Sig Jung
Hyun Ah Park
Kang Hyeon Lee
Hwan Young Choi
Jong Pil Kim
Eung Ju Lee
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LG Chem Ltd
Original Assignee
LG Chem Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by LG Chem Ltd filed Critical LG Chem Ltd
Publication of CA3238348A1 publication Critical patent/CA3238348A1/fr
Pending legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/36—Selection of substances as active materials, active masses, active liquids
    • H01M4/48—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
    • H01M4/52—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron
    • H01M4/525—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G53/00—Compounds of nickel
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G53/00—Compounds of nickel
    • C01G53/40—Nickelates
    • C01G53/42—Nickelates containing alkali metals, e.g. LiNiO2
    • C01G53/44—Nickelates containing alkali metals, e.g. LiNiO2 containing manganese
    • C01G53/50—Nickelates containing alkali metals, e.g. LiNiO2 containing manganese of the type [MnO2]n-, e.g. Li(NixMn1-x)O2, Li(MyNixMn1-x-y)O2
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
    • H01M4/131—Electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/36—Selection of substances as active materials, active masses, active liquids
    • H01M4/48—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
    • H01M4/50—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese
    • H01M4/505—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/60—Particles characterised by their size
    • C01P2004/61—Micrometer sized, i.e. from 1-100 micrometer
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/60—Particles characterised by their size
    • C01P2004/62—Submicrometer sized, i.e. from 0.1-1 micrometer
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M2004/026—Electrodes composed of, or comprising, active material characterised by the polarity
    • H01M2004/028—Positive electrodes
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Battery Electrode And Active Subsutance (AREA)

Abstract

La présente invention concerne un matériau actif de cathode sous forme de monograin capable de la mise en oeuvre d'une batterie ayant des caractéristiques de résistance initiale et des caractéristiques de durée de vie améliorées, son procédé de fabrication, et une cathode le comprenant, le matériau actif de cathode ayant une valeur d'au moins (cos?)2} de 0,5 telle qu'analysée par diffraction de rétrodiffusion d'électrons (EBSD) où ? est l'angle formé par l'axe majeur d'un grain cristallin et le trajet de migration de lithium.
CA3238348A 2022-05-20 2023-05-22 Materiau actif de cathode, son procede de fabrication et cathode le comprenant Pending CA3238348A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
KR20220062284 2022-05-20
KR10-2022-0062284 2022-05-20
PCT/KR2023/006937 WO2023224442A1 (fr) 2022-05-20 2023-05-22 Matériau actif de cathode, son procédé de fabrication et cathode le comprenant

Publications (1)

Publication Number Publication Date
CA3238348A1 true CA3238348A1 (fr) 2023-11-23

Family

ID=88835849

Family Applications (1)

Application Number Title Priority Date Filing Date
CA3238348A Pending CA3238348A1 (fr) 2022-05-20 2023-05-22 Materiau actif de cathode, son procede de fabrication et cathode le comprenant

Country Status (3)

Country Link
KR (1) KR20230162570A (fr)
CA (1) CA3238348A1 (fr)
WO (1) WO2023224442A1 (fr)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101785265B1 (ko) * 2013-12-17 2017-10-16 삼성에스디아이 주식회사 복합 양극 활물질, 이를 포함하는 양극, 리튬 전지, 및 이의 제조방법
JP6120765B2 (ja) * 2013-12-20 2017-04-26 日立マクセル株式会社 非水電解質二次電池用正極材料およびその製造方法、非水電解質二次電池
KR102314046B1 (ko) * 2014-11-28 2021-10-18 삼성에스디아이 주식회사 양극 활물질, 이를 포함하는 양극 및 상기 양극을 채용한 리튬 이차 전지
WO2018025594A1 (fr) * 2016-08-02 2018-02-08 日本碍子株式会社 Batterie au lithium tout solide
KR102144056B1 (ko) * 2019-12-24 2020-08-12 주식회사 에스엠랩 양극활물질, 이의 제조방법 및 이를 포함하는 양극을 포함한 리튬이차전지

Also Published As

Publication number Publication date
WO2023224442A1 (fr) 2023-11-23
KR20230162570A (ko) 2023-11-28

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Effective date: 20240515

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